美标易切削钢121312141215111711441212……国产易切削钢y12y12pby15y15pby40y40mny20y35y100pby100bi……德国易切削钢：1.07111.07151.07181.07211.07221.07261.7271.07281.07361.0737……欧标易切削钢11***n3011***npb3011***b3711***npb3710s2010spb2015mn1335s2035spb2036***n1436***npb1438***n2836***npb2844***n28……sum11sum12sum21sum22sum23sum25sum31sum32sum22lsun23lsum24lsum31l9***n281.07369***npb289***npb28k11***npb301.07189***npb3611***npb371.07379s2011***n2811***npb2812***npb3512***n3510pb2010spb2017***n2035s2035***n2044***n2846s2015s20.35s2045s20sum22此钢主要特点是精度好，容易切削，大大的提高了刀具的使用寿命，减少加工艺时间．对于那些对强度要求不高的企业来说，大大的降低了成本．提高了生产度)